Naked Nutrition: NAKED Whey (unflavored)
Displayed tub price observed: 2026-10-01. Listing updated: 2026-10-01. Nutrition processed: 2025-04-17.
Naked Whey vs Isopure
Naked Nutrition: $2.10 per 25g protein. Isopure: $1.94. Compare the recorded prices, formula differences, and evidence below.
Which should you choose?
For lower cost per 25g protein, the selected Isopure listing costs $1.94, $0.16 less than the other selected listing.
Naked Nutrition: NAKED Whey (unflavored) · 907.2g pack · Price observed 2026-10-01.
Isopure: Zero Carb Whey Isolate Protein Powder Unflavored (Unflavored) · 2,041.2g pack · Price observed 2026-10-01.
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Lab testing
Informed Choice · NSF Guideline 229 Functional Foods (not Certified for Sport)
No report on file
Index score
76GoodIndex / 100
75GoodIndex / 100
Cost / 25g protein
$2.10
$1.94
Protein / serving
25g
25g
Formulation / 100
100
100
Sugar / 25g protein
2.0g
0.0g
Flavor
unflavored
Unflavored
Score and nutrition trade-offs
Naked Nutrition: NAKED Whey (unflavored) scores 76/100 versus 75/100 for Isopure: Zero Carb Whey Isolate Protein Powder Unflavored (Unflavored). The WheyIndex score compares protein delivery, value, and testing evidence; it does not measure muscle growth or establish product safety.
The stored labels give 2.0g sugar per 25g protein for Naked Nutrition and 0.0g for Isopure. The selected flavors are unflavored and Unflavored; this is not a same-flavor taste test.
Products, sources, and dates
One highest-ranked eligible tracked whey listing per brand; lower cost per 25g breaks score ties. These selections do not represent every product from either brand.
Isopure: Zero Carb Whey Isolate Protein Powder Unflavored (Unflavored)
Displayed tub price observed: 2026-10-01. Listing updated: 2026-10-01. Nutrition processed: 2026-09-10.
Cost per 25g = recorded cost per serving ÷ protein grams per serving × 25. Flavor, pack size, and label rounding can affect the result. Scoring methodology.
Frequently asked questions
Which selected product costs less: Naked Nutrition or Isopure?
Isopure: Zero Carb Whey Isolate Protein Powder Unflavored (Unflavored) costs $1.94 per 25g protein versus $2.10 for Naked Nutrition: NAKED Whey (unflavored). That is $0.16 less per equal protein portion using the displayed rounded prices, or 8% less than the more expensive listing.
Do these results rank the whole brands?
No. The starting table selects the highest-ranked eligible tracked whey listing from each side, breaking score ties by lower cost per 25g. When scores are missing, the selection cannot establish a quality winner. Flavors, sizes, and available records may differ. Swap a powder to compare another version.
Are these prices checked today?
Not necessarily. The source records below show when the displayed tub price was observed and when nutrition was processed. These are stored observations, not checkout quotes. Manufacturer pages support formula context; their current prices are not substituted for the tracked retailer prices.